fix dup register and docname

Author: ladyada

adafruit_epd/ssd1675b.py

@@ -20,7 +20,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 """
-`adafruit_epd.ssd1675` - Adafruit SSD1675 - ePaper display driver
+`adafruit_epd.ssd1675b` - Adafruit SSD1675 - ePaper display driver
 ====================================================================================
 CircuitPython driver for Adafruit SSD1675 display breakouts
 * Author(s): Dean Miller, Ladyada

adafruit_epd/ssd1681.py

@@ -75,7 +75,6 @@
 _SSD1681_OTP_PROGMODE = const(0x39)
 _SSD1681_WRITE_BORDER = const(0x3C)
 _SSD1681_END_OPTION = const(0x3F)
-_SSD1681_READ_RAM = const(0x41)
 _SSD1681_SET_RAMXPOS = const(0x44)
 _SSD1681_SET_RAMYPOS = const(0x45)
 _SSD1681_AUTOWRITE_RED = const(0x46)